Matter Quiz

What did Ernest Rutherford discover in 1911?

• Atoms have a negatively charged center called the nucleus

• Atoms have a positively charged center called the nucleus

• Atoms are made of electrons

• Atoms are made of protons and neutrons

What was discovered in 1932 about the nucleus of an atom?

• The nucleus is made up of smaller particles called electrons and neutrons

• The nucleus is made up of smaller particles called protons and neutrons

• The nucleus is made up of smaller particles called protons and electrons

• The nucleus is made up of smaller particles called electrons and protons

What do scientists know about like and opposite charges?

• Like charges attract and opposite charges repel

• Both like and opposite charges repel

• Like charges repel and opposite charges attract

• Both like and opposite charges attract

Why doesn't the nucleus fly apart and when was this discovered?

• Because of gluons holding the neutrons and protons together, discovered in 1968

• Because of meons holding the neutrons and protons together, discovered in 1932

• Because of quarks holding the neutrons and protons together, discovered in 1911

• Because of electrons holding the neutrons and protons together, discovered in 1932

What was discovered in 1968 about neutrons and protons, and how are they held together?

• They are made up of smaller particles called meons, held together by electrons

• They are made up of smaller particles called electrons, held together by meons

• They are made up of smaller particles called gluons, held together by quarks

• They are made up of smaller particles called quarks, held together by gluons